people are disarmed." >> reporter: both rallies come a day after vice president joe biden hit the road to promote the president's plan for new firearm laws. several high-powered speakers addressed the crowd at the gun control march. but perhaps the most powerful testimony came from colin goddard. a survivor of the 2007 massacre at virginia tech. >> "we need to challenge any politician who thinks it's easier to ask an elementary school teacher to stand up to a gunman with an ar-15, than it is to ask them to stand up to a gun lobbyist with a checkbook." (cheers & applause) >> reporter: the independent firearm owners association president says gun violence won't be solved with a ban. >> "what is going to be the impact on the future ban of those magazines and guns on criminals or crazy people? zero. nada." >> reporter: but lori bennett hopes for better odds than that. >> "the bottom line is, we can't prevent all the violence, but if adam lanza went into that school without all those bullets, lives would've been saved." >> reporter: chris mozingo, kron 4 news. >> casey antony is now broke.